3G6305 J250 Tooth Point Adapter Cast Manganese Steel Bucket Wear Seat Replacement The 3G6305 bucket tooth adapter fits the J250 seat and holds the tooth firmly on buckets working in mid size excavators and backhoes. It is built for high breakout force and abrasive ground. Specification Part Number 3G6305 Machine Model J250 Type Tooth Adapter Material Cast Alloy Steel Hardness HRC 50-55 Process Casting Warranty 1 Year Weight 7.5kg Product Advantages Mining grade alloy steel